@article{BASM_2014_1_a6,
     author = {V. I. Arnautov and G. N. Ermakova},
     title = {On the number of group topologies on countable groups},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {101--112},
     publisher = {mathdoc},
     number = {1},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2014_1_a6/}
}